Engine Flush, Cleaner and Corrosion Inhibitor suitable for Boats, Trailers, Dive Gear, and Fishing Gear. Star Brite Salt Off Concentrated 1 Litre Bottle. Salt Off® is also very effective at protecting marine engines used in saltwater; when used with the Salt Off® Applicator (NOT INCLUDED), it will flush deposits from the engine’s cooling system to help ensure maximum performance and service life.
eBay